Home / 3,379.13-4,666.40-3,195.05

Finding the Fourth Proportional to 3,379.13, 4,666.40 and 3,195.05

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Solution

The fourth proportional to 3,379.13, 4,666.40 and 3,195.05 is: 4,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.13 : 4,666.40 = 3,195.05 : x
  2. Step 2: Convert to fraction form
    3,379.13/4,666.40 = 3,195.05/x
  3. Step 3: Cross multiply
    3,379.13x = 4,666.40 × 3,195.05
  4. Step 4: Simplify right side
    3,379.13x = 14,909,381.32
  5. Step 5: Solve for x
    x = 14,909,381.32/3,379.13
  6. Step 6: Final answer
    x = 4,412.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.